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United States Patent | 5,735,225 |
Natta ,   et al. | April 7, 1998 |
A method for recovering energy from waste, which includes: a first waste trituration step; fermentation of the waste in the presence of air. The method allows to recover the energy produced by waste combustion with an efficiency that is at least 50% higher than methods used so far.
Inventors: | Natta; Giuseppe (Giussago, IT); Calcaterra; Enrico (Codogno, IT); Tugnoli; Marco (Corteolona, IT) |
Assignee: | Fertilvita S.r.l. (Corteolona (Pavia), IT) |
Appl. No.: | 537455 |
Filed: | October 2, 1995 |
Oct 04, 1994[IT] | MI 94A002013 |
Current U.S. Class: | 110/346; 110/222; 110/224; 110/248; 435/290.1 |
Intern'l Class: | F23G 007/00 |
Field of Search: | 110/302,346,348,224,229,236,248 435/290.1 |
3702596 | Nov., 1972 | Winther | 110/224. |
4203376 | May., 1980 | Hood. | |
4376373 | Mar., 1983 | Weber et al. | |
5206173 | Apr., 1993 | Finn. | |
5587320 | Dec., 1996 | Shindo et al. | 435/290. |
Foreign Patent Documents | |||
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1337127 | Sep., 1987 | SU. | |
974047 | Nov., 1964 | GB. |